sei-system.com - dns.ninja

`sei-system.com`

DNSSEC	⚠️ Not signed
A	217.76.130.166^{🇪🇸 IONOS-AS217.76.128.0/19 arsys.es}
		PTR	`llgn104.servidoresdns.net`
NS	`dns29.servidoresdns.net` ⭐
		A	217.76.128.177^{🇪🇸 IONOS-AS217.76.128.0/19 arsys.es}
			PTR	`dns29.servidoresdns.net`
NS	`dns30.servidoresdns.net`
		A	82.223.218.148^{🇪🇸 IONOS-AS82.223.0.0/16 arsys.es}
			PTR	`dns30.servidoresdns.net`
MX	`seisystem-com0i.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::c^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.68.18^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00302.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
TXT	`MS=ms64282799`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`dns29.servidoresdns.net`hostmaster@servidoresdns.net 2020-12-21 #52

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1782857981

Previously MX for

sei-system.com

Same first word

sei-system.com

Similar names

ise-system.com

ei-systems.com

ise-system.jp

si-systeme.com

ie-systems.de

ie-systems.com

is-systeme.de

ies-system.com

si-systeme.de

ie-systems.net

DNS History

8 records (4 active, 4 former)

●NSdns29.servidoresdns.net2026-02-15 → 2026-06-30 · 3 obs

○ 2017-12-11 23:46:18
● 2026-02-15 20:43:22
● 2026-06-30 22:25:28

●NSdns30.servidoresdns.net2026-02-15 → 2026-06-30 · 3 obs

○ 2017-12-11 23:46:18
● 2026-02-15 20:43:22
● 2026-06-30 22:25:28

○NSns1.bh-43.webhostbox.net2017-12-11 → 2017-12-11 · 3 obs

● 2017-12-11 23:46:18
○ 2026-02-15 20:43:22
○ 2026-06-30 22:25:28

○NSns2.bh-43.webhostbox.net2017-12-11 → 2017-12-11 · 3 obs

● 2017-12-11 23:46:18
○ 2026-02-15 20:43:22
○ 2026-06-30 22:25:28

○MXsei-system.com2017-12-11 → 2017-12-11 · 3 obs

● 2017-12-11 23:46:18
○ 2026-02-15 20:43:22
○ 2026-06-30 22:25:28

●MXseisystem-com0i.mail.protection.outlook.com2026-02-15 → 2026-06-30 · 3 obs

○ 2017-12-11 23:46:18
● 2026-02-15 20:43:22
● 2026-06-30 22:25:28

○A162.222.225.1602017-12-11 → 2017-12-11 · 3 obs

● 2017-12-11 23:46:18
○ 2026-02-15 20:43:22
○ 2026-06-30 22:25:28

●A217.76.130.1662026-02-15 → 2026-06-30 · 3 obs

○ 2017-12-11 23:46:18
● 2026-02-15 20:43:22
● 2026-06-30 22:25:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net...	-
sei-system.com	dns30.servidoresdns.net, dns29.servidoresdns.net	-

✅ Authoritative Response

Server:217.76.128.177

NS records: dns30.servidoresdns.net, dns29.servidoresdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sei-system.com (unsigned zone)

⏱️ Timing

Total: 364ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.76.130.166`
NS	2	`dns29.servidoresdns.net, dns30.servidoresdns.net`
MX	1	`seisystem-com0i.mail.protection.outlook.`
TXT	2	`MS=ms64282799, v=spf1 include:spf.protection.outlook.co`
SOA	1	`dns29.servidoresdns.net hostmaster.servi`

Analysis

IP Addresses

sei-system.com points to a single IP number: 217.76.130.166.

Additional host names — 3dev.es, eloviedo.com, baseprofessional.com and two others — share IP numbers with sei-system.com.

Name Servers

sei-system.com is served by two delegated name servers, dns29.servidoresdns.net and dns30.servidoresdns.net.

sei-system.com shares its name server setup with other domains, including gurmalia.com, datacom.global, wonder.tools and two others.

At least some of sei-system.com's name servers are shared with other domains, for example agetrans.org and mixerpack.es.

Each of dns29.servidoresdns.net and dns30.servidoresdns.net has one IP address: dns29.servidoresdns.net uses 217.76.128.177 and dns30.servidoresdns.net uses 82.223.218.148.

Mail Servers

sei-system.com has one mail server: seisystem-com0i.mail.protection.outlook.com.

seisystem-com0i.mail.protection.outlook.com points to 8 IP numbers: 52.101.68.15, 52.101.68.18, 52.101.68.29 and 5 other.